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IDeviceRequestCompletionCallback::RequestCompletion method
Implement the RequestCompletion method to handle the completion of calls to the DeviceIoControlAsyncmethod.
Syntax
HRESULT RequestCompletion( [in] HRESULT requestResult, [in] DWORD bytesReturned );
Parameters
- requestResult [in]
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The result code that's returned for the I/O operation.
- bytesReturned [in]
-
The number of bytes that were transferred as a result of the I/O operation.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Requirements
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IDL |
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See also
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